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All results from a given calculation for C2F4 (Tetrafluoroethylene)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-475.512182
Energy at 298.15K-475.512977
Nuclear repulsion energy237.306141
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1871 1799 0.00      
2 Ag 729 701 0.00      
3 Ag 360 346 0.00      
4 Au 184 177 0.00      
5 B1u 1107 1064 284.26      
6 B1u 497 477 5.39      
7 B2g 522 502 0.00      
8 B2u 1243 1195 334.19      
9 B2u 198 190 8.23      
10 B3g 1235 1187 0.00      
11 B3g 522 501 0.00      
12 B3u 384 369 8.41      

Unscaled Zero Point Vibrational Energy (zpe) 4425.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 4253.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/LANL2DZ
ABC
0.17098 0.10264 0.06414

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.668
C2 0.000 0.000 -0.668
F3 0.000 1.139 1.421
F4 0.000 -1.139 1.421
F5 0.000 -1.139 -1.421
F6 0.000 1.139 -1.421

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6
C11.33501.36601.36602.37932.3793
C21.33502.37932.37931.36601.3660
F31.36602.37932.27803.64312.8429
F41.36602.37932.27802.84293.6431
F52.37931.36603.64312.84292.2780
F62.37931.36602.84293.64312.2780

picture of Tetrafluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 123.502 C1 C2 F6 123.502
C2 C1 F3 123.502 C2 C1 F4 123.502
F3 C1 F4 112.995 F5 C2 F6 112.995
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.346      
2 C 0.346      
3 F -0.173      
4 F -0.173      
5 F -0.173      
6 F -0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.435 0.000 0.000
y 0.000 -34.316 0.000
z 0.000 0.000 -34.552
Traceless
 xyz
x 4.999 0.000 0.000
y 0.000 -2.323 0.000
z 0.000 0.000 -2.677
Polar
3z2-r2-5.353
x2-y24.881
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.642 0.000 0.000
y 0.000 3.523 0.000
z 0.000 0.000 4.849


<r2> (average value of r2) Å2
<r2> 145.259
(<r2>)1/2 12.052